From 117fd3980f0e55ab587c4c49f9cf91ab5d426510 Mon Sep 17 00:00:00 2001
From: Maxime Colin <contact@maximecolin.fr>
Date: Thu, 26 Sep 2013 15:40:17 +0200
Subject: [PATCH] Update doc

---
 Resources/doc/filters.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Resources/doc/filters.md b/Resources/doc/filters.md
index ebc3d10de..e0e81e58c 100644
--- a/Resources/doc/filters.md
+++ b/Resources/doc/filters.md
@@ -55,6 +55,19 @@ liip_imagine:
                 relative_resize: { scale: 2.5 }   # Transforms 50x40 to 125x100
 ```
 
+### The `upscale` filter
+
+The upscale filter, as the name implies, performs a upscale transformation
+on your image. Configuration looks like this:
+
+``` yaml
+liip_imagine:
+    filter_sets:
+        my_thumb:
+            filters:
+                upscale: { min: [800, 600] }
+```
+
 ### The `crop` filter
 
 The crop filter, as the name implies, performs a crop transformation